package dao;

import java.util.ArrayList;
import java.util.Date;

public interface SearchKeywordDAO {
	public ArrayList<String> getKeywordsByTrend(String trend, Date date);
	public void saveKeywords(ArrayList<String> keywords, String trend, Date date, boolean isUseful);
	public ArrayList<String> getUsefulKeywordsByTrend(String trend, Date date);
}
